Hello Development Team,

Please find attached the Python modules 'defAttributes.py' and 'gatewayInterface.py'. The 'defAttributes.py' file defines a Pydantic model for attribute definitions and includes a function to convert it into a list of AttributeDefinition objects. The 'gatewayInterface.py' file serves as an interface to the Gateway system, managing users and mandates.

Kindly review the attached files and provide your feedback.

Best regards,
[Your Name]